Page 2 - User’s Information Manual; Please read this page first; How to use this
Part number 550-142-055/0411 GV90+ gas - fired water boiler — User’s Information Manual 2 Please read this page first How to use this manual . . . To . . . Read/use . . . Page . . . Learn precautions Warnings and definitions 3 Prevent air contamination Laundry room or pool — make sure boiler air is ...
Page 3 - Hazard definitions
Part number 550-142-055/0411 3 GV90+ gas - fired water boiler — User’s Information Manual STOP!! — Read before proceeding Failure to adhere to the guidelines on this page can result in severe personal injury, death or substantial property damage. Boiler service and maintenance — • To avoid electric ...
Page 4 - Air contamination; Prevent combustion air contamination —; Combustion air contamination:
Part number 550-142-055/0411 GV90+ gas - fired water boiler — User’s Information Manual 4 Air contamination Common household and hobby products often contain fluorine or chlorine compounds. When these chemicals pass through the boiler, they can form strong acids in the vent system or boiler. The aci...
Page 5 - Perform maintenance per schedule below; Service technician; Every 6 months
Part number 550-142-055/0411 5 GV90+ gas - fired water boiler — User’s Information Manual Perform maintenance per schedule below Figure 2 Service and maintenance schedules Service technician (see Boiler Manual for instructions) Owner maintenance (see following pages for instructions) Annnual start-u...
Page 6 - DAILY; Maintenance; Check boiler area; User maintenance procedures
Part number 550-142-055/0411 GV90+ gas - fired water boiler — User’s Information Manual 6 DAILY Maintenance Boiler must be serviced and maintained Check boiler area To prevent potential of severe personal injury, death or substantial property damage, eliminate all materials discussed below from the ...
Page 7 - MONTHLY; Check boiler interior piping; Check venting system
Part number 550-142-055/0411 7 GV90+ gas - fired water boiler — User’s Information Manual MONTHLY Maintenance Check boiler interior piping 1. Remove boiler jacket top. 2. Visually inspect for leaks around internal piping, circulators, relief valve and other fittings. Immediately call a qualified ser...
Page 8 - Check condensate system; PERIODIC
Part number 550-142-055/0411 GV90+ gas - fired water boiler — User’s Information Manual 8 Check condensate system 1. NOTICE — To improve clarity, this illustration of the condensate trap is shown with no air inlet pipe attached. If your boiler has an air pipe connected here, DO NOT tamper with it. T...
Page 9 - Operate boiler relief valve; Follow boiler shutdown procedure; Oil blower motor; EVERY; END OF
Part number 550-142-055/0411 9 GV90+ gas - fired water boiler — User’s Information Manual Operate boiler relief valve 1. Before proceeding, verify that the relief valve outlet has been piped to a safe place of dis- charge, avoiding any possibility of scalding from hot water. To avoid water damage or...
Page 10 - LEGEND
Part number 550-142-055/0411 GV90+ gas - fired water boiler — User’s Information Manual 10 1 Integrated boiler control The integrated boiler control (IBC) responds to signals from the room thermostat, air pressure switch, inlet water sensor and boiler limit circuit to operate the circulators, gas va...
Page 11 - Water Boiler
Part number 550-142-055/0411 11 GV90+ gas - fired water boiler — User’s Information Manual GV90+ Water Boiler
Page 13 - Common problems and solutions; Symptom; Black water condition
Part number 550-142-055/0411 13 GV90+ gas - fired water boiler — User’s Information Manual Common problems and solutions Symptom Common Causes Possible Corrections Rapid cycling — boiler turns on and off frequently Thermostat installed where drafts or heat affect reading Locate thermostat on inner w...
Page 15 - NOTES
Part number 550-142-055/0411 15 GV90+ gas - fired water boiler — User’s Information Manual NOTES